Home / 701,696,618,109.60-968,347,018,609.97-388,842,227,861.28

Finding the Fourth Proportional to 701,696,618,109.60, 968,347,018,609.97 and 388,842,227,861.28

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Solution

The fourth proportional to 701,696,618,109.60, 968,347,018,609.97 and 388,842,227,861.28 is: 536,605,425,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,696,618,109.60 : 968,347,018,609.97 = 388,842,227,861.28 : x
  2. Step 2: Convert to fraction form
    701,696,618,109.60/968,347,018,609.97 = 388,842,227,861.28/x
  3. Step 3: Cross multiply
    701,696,618,109.60x = 968,347,018,609.97 × 388,842,227,861.28
  4. Step 4: Simplify right side
    701,696,618,109.60x = 376,534,212,059,129,117,147,136
  5. Step 5: Solve for x
    x = 376,534,212,059,129,117,147,136/701,696,618,109.60
  6. Step 6: Final answer
    x = 536,605,425,110.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.